:root {
    --text-primary: #d4d4d8;
    --text-dim: rgba(255, 255, 255, 0.45);
    --text-ghost: rgba(255, 255, 255, 0.22);
    --accent: #4fd1c5;
    --accent-glow: rgba(79, 209, 197, 0.35);
    --accent-warm: #f6ad55;
    --accent-warm-glow: rgba(246, 173, 85, 0.35);
    --glass-bg: rgba(8, 8, 24, 0.35);
    --glass-border: rgba(255, 255, 255, 0.06);
    --editor-blur: 12px;
    --font-klee: 'Klee One', cursive;
    --font-serif: 'Crimson Pro', serif;
    --font-sans: 'Sora', sans-serif;
    --font-mono: 'Azeret Mono', monospace;
    --font-ui: 'Azeret Mono', monospace;
    --font-size: 1.25rem;
    --pill-bg: rgba(0, 0, 0, 0.4);
    --pill-glass: blur(20px);
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    background: #020208;
    color: var(--text-primary);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
}

#bg {
    position: fixed; inset: 0;
    width: 100%; height: 100%;
    z-index: 0;
    transition: opacity 0.6s ease;
}

.auto-hide { opacity: 1; transition: opacity 0.8s ease; }
body.ui-hidden .auto-hide { opacity: 0; pointer-events: none; }

/* ── Typography Toggle (T button, top-left) ── */
#typo-toggle {
    position: fixed; top: 22px; left: 22px;
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(31, 31, 30, 0.75);
    backdrop-filter: var(--pill-glass);
    -webkit-backdrop-filter: var(--pill-glass);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    z-index: 210;
    transition: color 0.3s, border-color 0.3s, background 0.3s;
    display: flex; align-items: center; justify-content: center;
}
#typo-toggle:hover, #typo-toggle.active {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(31, 31, 30, 0.88);
}

/* ── Typography Panel (left sidebar) ── */
#typo-panel {
    position: fixed; top: 78px; left: 22px;
    width: 110px;
    background: rgba(31, 31, 30, 0.55);
    backdrop-filter: var(--pill-glass);
    -webkit-backdrop-filter: var(--pill-glass);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 14px 12px;
    z-index: 200;
    display: flex; flex-direction: column; gap: 6px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1), opacity 0.2s ease;
}
#typo-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }

.typo-header {
    font-size: 0.65rem; letter-spacing: 0.15em;
    color: rgba(255,255,255,0.3); text-transform: uppercase;
    padding: 0 4px;
}
.typo-fonts { display: flex; flex-direction: column; gap: 4px; }
.typo-sizes {
    display: flex; gap: 2px;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 8px; margin-top: 2px;
}

.font-btn {
    background: none; border: 1px solid transparent;
    color: var(--text-dim);
    font-size: 0.9rem;
    padding: 8px 12px; border-radius: 8px;
    cursor: pointer; text-align: left;
    transition: all 0.25s;
}
.font-btn[data-font="serif"] { font-family: var(--font-serif); }
.font-btn[data-font="sans"] { font-family: var(--font-sans); }
.font-btn[data-font="mono"] { font-family: var(--font-mono); }
.font-btn[data-font="klee"] { font-family: var(--font-klee); }

.font-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.font-btn.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

.size-btn {
    background: none; border: 1px solid transparent;
    color: var(--text-dim);
    font-family: var(--font-ui); font-size: 0.65rem;
    padding: 5px 10px; border-radius: 6px;
    cursor: pointer; text-align: center;
    transition: all 0.25s; flex: 1;
}
.size-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.size-btn.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ── Mode Switcher (pill, top-center, hover-triggered) ── */
#mode-trigger {
    position: fixed; top: 0;
    left: 50%; transform: translateX(-50%);
    width: 260px; height: 60px;
    z-index: 200;
    display: flex; justify-content: center;
    padding-top: 16px;
}
#mode-switcher {
    display: flex;
    background: var(--pill-bg);
    backdrop-filter: var(--pill-glass);
    -webkit-backdrop-filter: var(--pill-glass);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 28px;
    padding: 4px;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s var(--ease-out);
}
#mode-trigger:hover #mode-switcher {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.mode-btn {
    background: transparent; border: none;
    color: rgba(255, 255, 255, 0.45);
    font-family: var(--font-ui); font-size: 0.75rem;
    letter-spacing: 0.1em;
    padding: 10px 24px; border-radius: 24px;
    cursor: pointer;
    transition: all 0.35s ease;
    display: flex; align-items: center; gap: 8px;
}
.mode-btn:hover { color: rgba(255, 255, 255, 0.7); }
.mode-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}
.mi { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Editor ── */
#editor-container {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: min(720px, 88vw);
    height: min(540px, 68vh);
    z-index: 10;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.15);
    border: none;
    border-radius: 14px;
    display: flex; flex-direction: column;
    overflow: hidden;
    box-shadow:
        inset 0 0 0 0.5px rgba(255, 255, 255, 0.20),
        0 0 0 1px rgba(0, 0, 0, 0.10),
        0 20px 40px rgba(0, 0, 0, 0.40);
    transition: box-shadow 0.6s ease;
}
#editor {
    flex: 1; width: 100%;
    background: transparent; border: none; outline: none; resize: none;
    padding: 2rem 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-klee);
    font-size: var(--font-size);
    font-weight: 400; line-height: 2;
    caret-color: var(--accent);
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.06) transparent;
}
#editor::placeholder { color: var(--text-ghost); font-style: italic; }
#editor::-webkit-scrollbar { width: 4px; }
#editor::-webkit-scrollbar-track { background: transparent; }
#editor::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

#editor-actions {
    position: absolute; bottom: 14px; right: 18px;
    display: flex; gap: 18px; z-index: 2;
}
#btn-save, #btn-release {
    background: none; border: none;
    color: var(--text-ghost);
    font-family: var(--font-ui); font-size: 0.6rem;
    letter-spacing: 0.2em; cursor: pointer;
    padding: 4px 8px;
    transition: color 0.3s, text-shadow 0.3s;
}
#btn-save:hover { color: var(--accent); text-shadow: 0 0 12px var(--accent-glow); }
#btn-release:hover { color: var(--accent-warm); text-shadow: 0 0 12px var(--accent-warm-glow); }

#save-wrap { position: relative; }
#save-menu {
    position: absolute; bottom: 100%; right: 0;
    margin-bottom: 6px;
    display: flex; gap: 4px;
    background: rgba(31, 31, 30, 0.6);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px; padding: 4px;
    opacity: 0; transform: translateY(4px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
#save-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.save-opt {
    background: none; border: 1px solid transparent;
    color: var(--text-dim); font-family: var(--font-ui);
    font-size: 0.6rem; letter-spacing: 0.08em;
    padding: 3px 8px; border-radius: 5px; cursor: pointer;
    transition: color 0.2s, background 0.2s;
}
.save-opt:hover { color: #fff; background: rgba(255,255,255,0.08); }

/* ── Bottom Area (toggle + bar) ── */
#bottom-area {
    position: fixed; bottom: 36px;
    left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column;
    align-items: center; gap: 10px;
    z-index: 100;
}
#bar-toggle {
    width: 48px; height: 48px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.08);
    background: var(--pill-bg);
    backdrop-filter: var(--pill-glass);
    -webkit-backdrop-filter: var(--pill-glass);
    color: rgba(255,255,255,0.45);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.3s;
}
#bar-toggle:hover { color: rgba(255,255,255,0.8); border-color: rgba(255,255,255,0.15); }

#control-bar {
    display: flex; align-items: center; gap: 24px;
    background: var(--pill-bg);
    backdrop-filter: var(--pill-glass);
    -webkit-backdrop-filter: var(--pill-glass);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 0 28px;
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 0.45s var(--ease-out), opacity 0.35s ease, padding 0.4s ease;
}
#bottom-area:hover #control-bar,
#control-bar.open {
    max-height: 64px; opacity: 1;
    padding: 16px 28px;
}
.bar-group {
    display: flex; align-items: center; gap: 12px;
    white-space: nowrap;
}
.bar-icon { display: flex; align-items: center; }
.bar-label {
    font-size: 0.6rem; letter-spacing: 0.12em;
    color: var(--text-dim); text-transform: uppercase;
    min-width: 46px;
}
.bar-val {
    font-size: 0.6rem; letter-spacing: 0.08em;
    color: var(--text-dim); min-width: 32px; text-align: right;
}
.bar-sep { width: 1px; height: 24px; background: rgba(255,255,255,0.08); flex-shrink: 0; }
.bar-mute {
    background: none; border: none;
    color: var(--text-dim);
    cursor: pointer; padding: 0; line-height: 0;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.2s, color 0.2s;
}
.bar-mute:hover { color: var(--text-primary); }
.bar-mute:hover { transform: scale(1.15); }

input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100px; height: 3px;
    background: rgba(255,255,255,0.12); border-radius: 2px;
    outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px; border-radius: 50%;
    background: #fff; border: none;
    box-shadow: 0 0 6px rgba(255,255,255,0.2);
    transition: transform 0.2s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.4); }
input[type="range"]::-moz-range-thumb {
    width: 8px; height: 8px; border-radius: 50%;
    background: #fff; border: none;
}

/* ── Release Overlay ── */
#release-overlay {
    position: fixed; pointer-events: none; z-index: 999;
    white-space: pre-wrap; word-wrap: break-word; overflow: hidden;
}
.release-char {
    display: inline-block;
    transition-property: transform, opacity, filter;
    transition-timing-function: var(--ease-out);
}

/* ── Responsive ── */
@media (max-width: 600px) {
    #editor-container { width: 96vw; height: 58vh; border-radius: 12px; }
    #editor { padding: 1.5rem 1.2rem; }
    #control-bar.open { padding: 10px 16px; }
    input[type="range"] { width: 60px; }
}